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Standard XII

Chemistry

Stoichiometric Calculations

Under the sam...

Question

Under the same conditions how many mL of $0.1 M$ $N a O H$ and $0.05 M H_{2} A$ (strong diprotic acid) solution should be mixed for a total volume of $100 m L$ produce the highest rise in temperature.

25 : 75

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50 : 50

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75 : 25

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66.66 : 33.33

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Solution

The correct option is B $50 : 50$
Each diprotic acid will give two mole of hydrogen ion, also its molarity is half of base so to produce 100 ml solution; 50 ml of base and 50 ml of acid will require.

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Under the same conditions how many mL of 0.1M NaOH and 0.05MH2A (strong diprotic acid) solution should be mixed for a total volume of 100mL produce the highest rise in temperature.

The correct option is B 50:50Each diprotic acid will give two mole of hydrogen ion, also its molarity is half of base so to produce 100 ml solution; 50 ml of base and 50 ml of acid will require.

Under the same conditions how many mL of $0.1 M$ $N a O H$ and $0.05 M H_{2} A$ (strong diprotic acid) solution should be mixed for a total volume of $100 m L$ produce the highest rise in temperature.

The correct option is B $50 : 50$
Each diprotic acid will give two mole of hydrogen ion, also its molarity is half of base so to produce 100 ml solution; 50 ml of base and 50 ml of acid will require.